Natural selection is a mechanism that acts on individuals within a population. Which is a result of the process of natural selection?

The reproductive rate of the population decreases.

Genetic similarity within the population increases.

Organisms are better adapted to their environment.

Adverse changes to the environment become more frequent.

What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.